Finding the Fourth Proportional to 3,965,448.18, 5,915,141.39 and 3,582,765.30
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Solution
The fourth proportional to 3,965,448.18, 5,915,141.39 and 3,582,765.30 is: 5,344,304.69
Step by Step Solution
- Step 1: Write the proportion equation
3,965,448.18 : 5,915,141.39 = 3,582,765.30 : x - Step 2: Convert to fraction form
3,965,448.18/5,915,141.39 = 3,582,765.30/x - Step 3: Cross multiply
3,965,448.18x = 5,915,141.39 × 3,582,765.30 - Step 4: Simplify right side
3,965,448.18x = 21,192,563,298,771.94 - Step 5: Solve for x
x = 21,192,563,298,771.94/3,965,448.18 - Step 6: Final answer
x = 5,344,304.69
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.